Magnum Viper Pro 8.0 Leather Waterproof Boot - Black Brand_Snow Wolf These are double progressive springs

These are double progressive springs which make sure the torque of the motor is used to its full extent

We recommend the use of a charger like this

Does not include the programming card

however the bolt function does not operate

1 x Steel Trigger Spring

Magnum Viper Pro 8.0 Leather Waterproof Boot - Black Brand_Snow Wolf These are double progressive springsThe Viper Pro 8. 0 Leather Waterproof is an 8 inch uniform boot for men and women. Featuring a durable waterproof leather upper and ankle pads for added protection These boots also have a waterproof and breathable bootie membrane to keep feet dry. The shock absorbing M P. A. C. T. Response insole and EVA midsole add underfoot cushioning comfort, while the fast wicking lining adds moisture management to keep your boots fresher for longer. These